<template lang="html">
    <div class="wangeditor">
        <div ref="toolbar" class="toolbar"></div>
        <div ref="wangeditor" class="text"></div>
    </div>
  </template>
   
  <script>
  import E from "wangeditor";
  export default {
    data() {
      return {
        wangEditor: null,
        wangEditorInfo: null
      };
    },
    model: {
      prop: "value",
      event: "change"
    },
    props: {
      value: {
        type: String,
        default: ""
      },
      isClear: {
        type: Boolean,
        default: false
      }
    },
    watch: {
      isClear(val) {
        // 触发清除文本域内容
        if (val) {
          this.wangEditor.txt.clear();
          this.wangEditorInfo = null;
        }
      },
      value: function(value) {
        if (value !== this.wangEditor.txt.html()) {
          this.isClear = false;
          this.wangEditor.txt.html(this.value); //value为编辑框输入的内容，这里我监听了一下值，当父组件调用得时候，如果给value赋值了，子组件将会显示父组件赋给的值
        }
      }
    },
    mounted() {
      this.initEditor();
      this.wangEditor.txt.html(this.value);
    },
    methods: {
      initEditor() {
        this.wangEditor = new E(this.$refs.toolbar, this.$refs.wangeditor);
        this.wangEditor.customConfig = this.wangEditor.customConfig ? this.wangEditor.customConfig : this.wangEditor.config
        this.wangEditor.customConfig.uploadImgShowBase64 = true; // base64存储图片（推荐）
        //this.wangEditor.customConfig.uploadImgServer = "https://jsonplaceholder.typicode.com/posts/"; // 配置服务器端地址（不推荐）
        this.wangEditor.customConfig.uploadImgHeaders = {}; // 自定义header
        this.wangEditor.customConfig.uploadFileName = "file"; // 后端接受上传文件的参数名
        this.wangEditor.customConfig.uploadImgMaxSize = 2 * 1024 * 1024; // 将图片大小限制为（默认最大支持2M）
        this.wangEditor.customConfig.uploadImgMaxLength = 6; // 限制一次最多上传6张图片
        this.wangEditor.customConfig.uploadImgTimeout = 1 * 60 * 1000; // 设置超时时间（默认1分钟）
   
        // 配置菜单
        this.wangEditor.customConfig.menus = [
          "head", // 标题
          "bold", // 粗体
          "fontSize", // 字号
          "fontName", // 字体
          "italic", // 斜体
          "underline", // 下划线
          "strikeThrough", // 删除线
          "foreColor", // 文字颜色
          "backColor", // 背景颜色
          "link", // 插入链接
          "list", // 列表
          "justify", // 对齐方式
          "quote", // 引用
        //   "emoticon", // 表情
          "image", // 插入图片
          "table", // 表格
          "video", // 插入视频
        //   "code", // 插入代码
          "undo", // 撤销
          "redo", // 重复
          "fullscreen" // 全屏
        ];
        this.wangEditor.customConfig.uploadImgHooks = {
          fail: (xhr, editor, result) => {
            // 插入图片失败回调
          },
          success: (xhr, editor, result) => {
            // 图片上传成功回调
          },
          timeout: (xhr, editor) => {
            // 网络超时的回调
          },
          error: (xhr, editor) => {
            // 图片上传错误的回调
          },
          customInsert: (insertImg, result, editor) => {
            // 图片上传成功，插入图片的回调（不推荐）
            insertImg(result.url);
          }
        };
        this.wangEditor.customConfig.onchange = html => {
          this.wangEditorInfo = html;
          this.$emit("change", this.wangEditorInfo); // 将内容同步到父组件中
        };
        this.wangEditor.config.colors = [
        "#000000", "#ffffff", "#eeece0", "#1c487f", "#4d80bf", "#c24f4a", "#8baa4a", "#7b5ba1", "#46acc8",
            "#f9963b",
            "#FF0000",
            "#00FF00",
            "#0000FF",
            "#FF00FF",
            "#00FFFF",
            "#FFFF00",
            "#000000",
            "#70DB93",
            "#5C3317",
            "#9F5F9F",
            "#B5A642",
            "#D9D919",
            "#A67D3D",
            "#8C7853",
            "#A67D3D",
            "#5F9F9F",
            "#D98719",
            "#B87333"
        ];
        // 创建富文本编辑器
        this.wangEditor.create();
      }
    }
  };
  </script>
   
  <style lang="scss">
  .wangeditor {
    border: 1px solid #e6e6e6;
    box-sizing: border-box;
    .toolbar {
      border-bottom: 1px solid #e6e6e6;
      box-sizing: border-box;
    }
    .text {
      min-height: 300px;
    }
  }
  </style>
  